38871651

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20341}}^1$

素因数の和:20371

約数の個数: 24

約数和(自身を含む): 64931664

約数和(自身を除く): 26060013

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20341, 61023, 142387, 264433, 427161, 793299, 996709, 1851031, 2990127, 5553093, 12957217, 38871651]

約数ペア:

[(1, 38871651), (3, 12957217), (7, 5553093), (13, 2990127), (21, 1851031), (39, 996709), (49, 793299), (91, 427161), (147, 264433), (273, 142387), (637, 61023), (1911, 20341)]